-er -ic c-- ccc cce ccg cci cck ccn ccr ccu ce- cec cee ceg cei cek cen cer ceu cgc cge cgg cgi cgn cgr cgu ci- cic cie cig cii cik cin cir ciu ckc cki cn- cnc cne cng cni cnn cnr cnu crc cre crg cri crk crn crr cru cuc cue cug cui cuk cun cur cuu ec- ecc ece ecg eci eck ecn ecr ecu eec eee eeg eek een eer egc ege egg egi egn egr egu eic eie eig eii eik ein eir eiu ekc eke ekg eki ekr eku en- enc ene eng eni enk enn enr enu erc ere erg eri erk ern err eru eu- euc eue eug eui eun eur gcc gce gcg gci gck gcn gcr gcu ge- gec gee geg gei gek gen ger geu ggc ggg ggi ggn ggr ggu gic gie gig gii gik gin gir giu gkn gnc gne gni gnn gnr gnu grc gre grg gri grk grn grr gru gu- guc gue gug gui guk gun gur guu icc ice icg ici ick icn icr icu ie- iec iee ieg iei iek ien ier igc ige igg igi igk ign igr igu iic iie iii iin iir iiu ikc ike iki ikk ikr iku in- inc ine ing ini ink inn inr inu ir- irc ire irg iri irk irn irr iru iu- iuc iue iug iui iur kcc kce kcg kci kck kcn kcr kcu ke- kec kee keg kei kek ken ker kgc kgi kgu kic kie kig kii kik kin kir kiu kkc kke kki kkk kkn kkr kku kn- knc kne kng kni knk knn knr knu krc krg kri krk krn krr kru kuc kue kug kui kuk kun kur kuu n-i ncc nce ncg nci nck ncn ncr ncu ne- nec nee neg nei nek nen ner neu ngc nge ngg ngi ngk ngn ngu nic nie nig nii nik nin nir niu nkc nke nki nkk nkn nkr nku nnc nne nng nni nnk nnn nnu nrc nre nrg nri nrk nrn nrr nru nuc nue nug nui nuk nun nur nuu rcc rce rcg rci rcn rcr rcu re- rec ree reg rei rek ren rer reu rgc rge rgg rgi rgk rgn rgr ric rie rig rii rik rin rir rkc rke rkg rkk rku rnc rng rni rnn rnr rnu rrc rrg rri rrk rrn rrr rru ruc rue rug rui ruk run rur ruu ucc uce ucg uci uck ucn ucr ucu uec uee ueg uei uen uer ugc uge ugg ugi ugk ugn ugr ugu uic uie uig uii uin uir uiu ukc uke uki ukk ukn ukr uku un- unc une ung uni unk unn unr unu ur- urc ure urg uri urk urn urr uru uuc uue uug uun uur uuu